After having spent whole morning on the river, I always go home with an empty bay.

我总是在河上呆整整一上午，然后空着袋子回家。

youdao

More sea urchins and other tiny shellfish have been swept ashore at adjoining Broad Haven and Little Haven beaches in St Brides Bay, Pembrokeshire and in some places the golden sands were inches deep in empty shells.

BBC: News | Wales | Sea urchins may have committed suicide